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Sykes, M.T.; Prentice, I.C. and Cramer, W. 1996: A bioclimatic model for the potential distributions of north European tree species under present and future climates. Journal of Biogeography, 23: 203–233.

Solomon, S.; Qin, D.; Manning M. et al. (eds.) 2007: Climate Change 2007: The Physical Science Basis. Contribution of Working Group I to the 4th Assessment Report of the IPCC, Cambridge University Press.

Sykes, M.T.; Prentice, I.C. and Cramer, W. 1996: A bioclimatic model for the potential distributions of north European tree species under present and future climates. Journal of Biogeography, 23: 203–233.